Do I Need to Enable the Wireless Siren Relay for the Qolsys IQ Hardwire 16-F?
No, you do not need to enable the wireless siren relay for the Qolsys IQ Hardwire 16-F. The relay is always enabled when used with a compatible IQ Panel 2 or IQ Panel 2 Plus System. If you don't want to use the siren relay, then simply don't connect a siren to the IQ Hardwire 16-F module.
In order to use the Qolsys IQ Hardwire 16-F as a wireless siren relay, you must have a Qolsys IQ Panel 2 or IQ Panel 2 Plus (319.5 MHz version only) that is running RF PIC Version 11.1.4 G2 or higher. You can check the RF PIC Version on your system by clicking the small grey bar at the top of the main screen and choosing Settings > Advanced Settings > Installer Code (default 1111) > About > Hardware > RF PIC Version. Please note that there is no way to upgrade the RF PIC Version on a Qolsys System. If your panel is not on a high enough version, then you must replace it entirely if you want to use the IQ Hardwire 16-F as a siren relay.
If the Qolsys IQ Hardwire 16-F module is enrolled with a compatible Qolsys System with a high enough RF PIC Version, then the siren relay will technically always be active. However, this won't really matter if no siren is connected to the module. The relay will still "trip", but it won't have anything to activate if nothing is wired. If you want to use the IQ Hardwire 16-F as a wired to wireless converter, but you don't want to use it as a siren relay, then just leave the relay unconnected. Then the module will work exactly as you want.
Remember, the Qolsys IQ Hardwire 16-F will only operate as a wireless siren relay if you have a siren properly wired in. The negative (-) terminal on the siren should connect to AUX GND on the Hardwire 16-F. The positive (+) terminal on the siren should connect to SIREN OUT on the Hardwire 16-F. You will also need to have a jumper between AUX + OUT and SIREN IN on the Hardwire 16-F. For more information on how to install a siren for use with the Qolsys IQ Hardwire 16-F, please see this helpful FAQ.
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